.clear{
    clear: both;
}
body{
    width: 1226px;
    margin-left: 347px;
    background-color: white;
}
.head{
    width: 1226px;

}
.head>p{
    margin: 0;
    font-size: 22px;
    font-weight: 200;
    line-height: 58px;
    color: #333;
    display: block;
    float: left;
}
.head>span a{
    font-size: 16px;
    line-height: 58px;
    color: #424242;
    display: block;
    float: right;
    text-decoration: none;
}
.goods{
    width: 1270px;
    height: 768px;
}
.ad1{
    display: block;
    float: left;
}

#app ul li{
    display: block;
    float: left;
    text-decoration: none;
    width: 234px;
    text-align: center;
}
#box{
	display:flex;
	flex-direction:row;	
	flex-wrap:wrap;
	justify-content:flex-start;
	align-items:stretch;
}